PMC:7573458 / 16035-16050
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T121","span":{"begin":0,"end":15},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"1 NA 251 (8.31)"}